Math, asked by ronita3, 1 year ago

(√3+√7)(3√3-5√7) please help me

Answers

Answered by mriganka2

2

$( \sqrt{3} + \sqrt{7} )(3 \sqrt{3} - 5 \sqrt{7} )$
$= 9 - 5 \sqrt{21} + 3 \sqrt{21} - 35$
$= -2 (13 + \sqrt{21} ) \\ or... \\ = - 35.16515$

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